OM5428P ETC1 [List of Unclassifed Manufacturers], OM5428P Datasheet - Page 11
![no-image](/images/no-image-200.jpg)
OM5428P
Manufacturer Part Number
OM5428P
Description
General purpose triggering circuit
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
1.OM5428P.pdf
(16 pages)
- Current page: 11 of 16
- Download datasheet (96Kb)
Fig.5 Typical application of the OM5428 as a single-phase control circuit. The circuit produces a trigger pulse at the gate of the triac. The pulse
is produced when the voltage on pin IC- (related to mains zero crossing) becomes greater than the control voltage. The arrangement forms a
Active
Neutral
C1
220 F
16V
230
Vac
R3
1M
R1
1M
C2
5nF
Vcontrol
Rz
500K
VR25
DIFFEN
full-wave AC controller.
XOUT
SDIS
QC+
QC-
PW
IC+
IC-
1
2
3
4
5
6
7
8
OM5428
16
14
13
12
15
11
10
9
XDIS
FLY
SAW
RMNS
VCC
VEE
TRIG
AMPIN
R2
300K
C3
5nF
Rs
100K
VR37
LOAD
T1
Triac
Rg
250
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